【摘 要】
：
Based on the construction bridge of Xiamen-Shenzhen high-speed railway (9-32 m simply-supported beam + 6×32 m continuous beam),the pier-beam-track finite eleme
【机 构】
：
Department of Civil Engineering,Maintenance Departments of Guangzhou Municipal Engineering
论文部分内容阅读
Based on the construction bridge of Xiamen-Shenzhen high-speed railway (9-32 m simply-supported beam + 6×32 m continuous beam),the pier-beam-track finite element model,where the continuous beam of the ballast track and simply-supported beam are combined with each other,was established.The laws of the track stress,the pier longitudinal stress and the beam-track relative displacement were analyzed.The results show that reducing the longitudinal resistance can effectively reduce the track stress and the pier stress of the continuous beam,and increase the beam-track relative displacement.Increasing the rigid pier stiffness of continuous beam can reduce the track braking stress,increase the pier longitudinal stress and reduce the beam-track relative displacement.Increasing the rigid pier stiffness of simply-supported beam can reduce the track braking stress,the rigid pier longitudinal stress and the beam-track relative displacement.
其他文献
To deal with fault detection and diagnosis with incomplete model for dead reckoning system of mobile robot,an integrative framework of particle filter detection
An approach was proposed to specify the C4ISR capability of domain-specific modeling language.To confine the domain modeling within a standard architecture fram
A low power 640×480 OLED-on-silicon chip design that used in microdisplay was presented.A novel pixel circuit was proposed to meet the special requirement of O
The surface profile of laser peening with square spots was compared with that of circle spots,and the microstructure of laser peened titanium alloy Ti-6Al-4V in
The flow pattern behaviour of falling liquid film over three horizontal cylinders was evaluated.These flows can take three forms:discrete droplets,individual je
A new method of prefetching data blocks from the NVCache to the page cache in main memory and cascading prefetching n-blocks from a hard disk to the NVCache tog
The fracture of a drilling tail made of 18CrNi3MoA steel in the exchanging water hole was analyzed in terms of inclusions,prior anstenite grain size,carburized
Ti-62A alloy plates with three different types of microstructure,fully equiaxed,bimodal,and Widmanst(a)tten,were obtained by various heat treatments to investig
In order to ameliorate the electrochemical hydrogen storage performances of La-Mg Ni system A2B7-type electrode alloys,the partial substitution ofM (M =Zr,Pr) f